//
//  ColdDrink.swift
//  BuilderPatternDemo
//
//  Created by 好米有易 on 2017/9/28.
//  Copyright © 2017年 好米有易. All rights reserved.
//

import UIKit

class ColdDrink: Item {

    override func pack() -> Packing {
        return Bottle()
    }
    
   
    
    
}
